/* ==========================================
   全局样式表 2026.3
   ========================================== */
:root {
    --primary-green: #2E7D32;
    --light-green: #4CAF50;
    --dark-green: #1B5E20;
    --accent-orange: #FF6F00;
    --bg-light: #F1F8E9;
    --text-dark: #212121;
    --text-gray: #616161;
    --border-color: #E0E0E0;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.18);
    --shadow-hover: 0 8px 25px rgba(0,0,0,0.15);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', "微软雅黑", 'PingFang SC', 'Noto Sans SC', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #f5f5f5;
    font-size: 14px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
.tac { text-align:center; }

/* ==========================================
   顶部信息栏
   ========================================== */
.top-bar {
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
    color: var(--white);
    padding: 10px 0;
    font-size: 13px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar-left span {
    margin-right: 20px;
}

.top-bar-right a {
    color: var(--white);
    margin-left: 20px;
}

.top-bar i {
    margin-right: 5px;
    color: #81C784;
}

.top-bar a:hover {
    opacity: 0.8;
}

/* ==========================================
   导航栏
   ========================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-green);
}

.logo i {
    /*-- color: var(--accent-orange);
    font-size: 28px; --*/
    display:inline-block; 
    width:58px; 
    height:58px; 
    background:url('../imgs/logo.png') no-repeat center center; 
    background-size:contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}
.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 5px 0;
}
.nav-menu a i {
    font-size: 10px;
}
.nav-menu a.btn-primary {
    font-size:14px; 
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-green);
}
.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}


.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 130px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    margin-top: 10px;
    z-index:1; 
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
}

.dropdown a:hover {
    background: var(--bg-light);
    padding-left: 25px;
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--white) !important;
    padding: 10px 25px !important;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(255,111,0,0.3);
}

.btn-primary:hover {
    background: #E65100;
    /*-- transform: translateY(-2px); --*/
    box-shadow: 0 6px 15px rgba(255,111,0,0.4);
}

.btn-primary::after {
    display: none !important;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-green);
}

/* ==========================================
   页面标题区域（内页通用）
   ========================================== */
.page-header {
    /* background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);  */
    /* background:var(--primary-green) url('/static/imgs/banner.jpg') repeat-x center center; */
    background:var(--primary-green) url('/static/imgs/slider-fruit.jpg') repeat-x center center;
    padding: 60px 0;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.page-header.about { background-image:url('/static/imgs/banner-about.jpg');  }
.page-header.contact { background-image:url('/static/imgs/banner-contact.jpg');  }

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    text-shadow: 2px 3px 4px rgba(0,0,0,0.4);
}

.breadcrumb {
    display: flex;
    gap: 10px;
    font-size: 14px;
    opacity: 0.9;
    position: relative;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb span {
    color: rgba(255,255,255,0.6);
}

/* ==========================================
   主体内容布局（左右分栏）
   ========================================== */
.main-content {
    padding: 40px 0;
}

.content-wrapper {
    display: flex;
    gap: 30px;
}

.left-sidebar {
    width: 260px;
    flex-shrink: 0;
}

.right-content {
    flex: 1;
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* 侧边栏菜单 */
.sidebar-widget {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.widget-title {
    background: var(--primary-green);
    color: var(--white);
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
}

.widget-content {
    padding: 15px;
}

.category-menu li {
    border-bottom: 1px solid #f0f0f0;
}

.category-menu li:last-child {
    border-bottom: none;
}

.category-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    color: var(--text-dark);
    font-size: 14px;
    transition: all 0.3s;
}

.category-menu a:hover,
.category-menu a.active {
    background: var(--bg-light);
    color: var(--primary-green);
    padding-left: 20px;
}

.category-menu i {
    font-size: 12px;
    color: #ccc;
}

/* 联系信息小部件 */
.contact-widget p {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-widget i {
    color: var(--primary-green);
    margin-top: 3px;
    width: 16px;
}

/* ==========================================
   分页样式
   ========================================== */
/* .pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
} */

.page-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.page-item:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.page-item.active {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--white);
    cursor: auto;
}

.page-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
/* pagination 插件 */
.pagination ul {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}
.pagination ul li {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}
.pagination ul li:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.pagination ul li.active {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--white);
    cursor: auto;
}

.pagination ul li.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


/* ==========================================
   底部信息
   ========================================== */
.footer {
    background: var(--dark-green);
    color: var(--white);
    padding: 50px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}
.footer-grid .footer-widget-nav {
    padding-left:6em; 
}
.footer-grid .footer-widget-nav a i {
    color: var(--accent-orange);
}

.footer-widget h3 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-orange);
}

.footer-widget p {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-widget a {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    display: block;
    padding: 5px 0;
    transition: all 0.3s;
}

.footer-widget a:hover {
    color: var(--accent-orange);
    /*-- padding-left: 5px; --*/
}

.footer-contact li {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

.footer-contact i {
    color: var(--accent-orange);
    margin-top: 3px;
    width: 16px;
    flex-shrink: 0;
}

.qr-placeholder {
    /*-- width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px; --*/
    display: flex;
    gap: 4em;
    align-items: center;
    justify-content: left;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-top: 20px;
}
.qr-placeholder .item img {
    width:100px; 
    height:100px; 
}
.qr-placeholder .item p {
    margin:0;
    text-align:center; 
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 12px;
}

/* ==========================================
   返回顶部按钮
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    border: none;
    font-size: 18px;
}

.back-to-top.visible {
    opacity: 1;
}

.back-to-top:hover {
    background: var(--accent-orange);
    transform: translateY(-3px);
}

/* ==========================================
   首页
   ========================================== */

/* Banner轮播图 */
.hero-slider {
    position: relative;
    height: 550px;
    overflow: hidden;
    background: #333;
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 600px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0;
    color: rgba(255,255,255,0.9);
    line-height: 1.8;
    animation: fadeInUp 0.8s 0.2s forwards;
}

.hero-content .btn-primary {
    display: inline-block;
    padding: 15px 40px !important;
    font-size: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s 0.4s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    background: var(--accent-orange);
    width: 30px;
    border-radius: 6px;
}

/* 特色服务区域 */
.section {
    padding: 70px 0;
}

.section-white {
    background: var(--white);
}

.section-gray {
    background: #f5f5f5;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    color: var(--primary-green);
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent-orange);
}

.section-header p {
    color: var(--text-gray);
    font-size: 15px;
    margin-top: 25px;
}

/* 特色卡片 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-card {
    text-align: center;
    padding: 35px 25px;
    border-radius: 10px;
    transition: all 0.3s;
    background: var(--white);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--light-green);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--primary-green);
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    background: var(--primary-green);
    color: var(--white);
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.8;
}

/* 产品展示区域 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-category {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.product-category:hover {
    /*-- transform: translateY(-5px); --*/
    box-shadow: var(--shadow-hover);
}

.category-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.category-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    /* background: var(--accent-orange); */
    background: var(--primary-green);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.category-info {
    padding: 25px;
}

.category-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.category-info p {
    color: var(--text-gray);
    font-size: 13px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.category-link {
    color: var(--primary-green);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.category-link:hover {
    gap: 10px;
}

/* 关于我们预览 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--primary-green);
    color: var(--white);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.experience-badge .years {
    font-size: 32px;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.experience-badge .text {
    font-size: 13px;
    opacity: 0.9;
}

.about-text h2 {
    font-size: 28px;
    color: var(--primary-green);
    margin-bottom: 20px;
    font-weight: 700;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 14px;
}

.feature-list {
    margin: 25px 0;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    font-size: 14px;
}

.feature-list i {
    color: var(--light-green);
}

/* 客户展示 */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.client-item {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
    filter: grayscale(100%);
    opacity: 0.6;
    box-shadow: var(--shadow);
}

.client-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.client-item i {
    font-size: 32px;
    color: var(--primary-green);
    margin-bottom: 8px;
}

.client-item span {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
}

/* ==========================================
   产品列表页
   ========================================== */

/* 产品筛选栏 */
.filter-bar {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-options {
    display: flex;
    gap: 15px;
    align-items: center;
}

.filter-options select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: var(--white);
    cursor: pointer;
    font-size: 13px;
}

.result-count {
    color: var(--text-gray);
    font-size: 13px;
}

.result-count strong {
    color: var(--primary-green);
}

/* 产品网格 */
.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    /*-- transform: translateY(-5px); --*/
    box-shadow: var(--shadow-hover);
}

.product-image-wrap {
    height: 230px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.product-badge-new {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 600;
}

.product-badge-hot {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #f44336;
    color: var(--white);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 600;
}

.product-details {
    padding: 15px;
}

.product-name {
    font-size: 15px;
    font-weight: normal;
    margin-bottom: 6px;
    color: var(--text-gray);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-desc {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 10px;
    line-height: 1.5;
    height: 36px;
    overflow: hidden;
}

.product-meta-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}

.product-price {
    color: var(--accent-orange);
    font-size: 16px;
    font-weight: 700;
}

.product-price .unit {
    font-size: 11px;
    color: #999;
    font-weight: normal;
}

.btn-inquiry {
    padding: 6px 15px;
    background: var(--bg-light);
    color: var(--primary-green);
    border: none;
    border-radius: 15px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-inquiry:hover {
    background: var(--primary-green);
    color: var(--white);
}

/* ==========================================
   关于我们
   ========================================== */
.about-content-block {
    margin-bottom: 40px;
}
.about-content-block .features { margin: 30px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.about-content-block .features .item { padding: 20px; background: var(--bg-light); border-radius: 10px; }
.about-content-block .features .item .digit { font-size: 32px; font-weight: 700; color: var(--primary-green); }
.about-content-block .features .item .text { color: var(--text-gray); font-size: 14px; }

.about-content-block .culture { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px;}
.about-content-block .culture .item { padding: 25px; border-left: 4px solid #2196F3; background: #f9f9f9; }
.about-content-block .culture .item h4 { color: #2196F3; margin-bottom: 10px; font-size:16px; }
.about-content-block .culture .item p { margin: 0; color: var(--text-gray); }
.about-content-block .culture .item:nth-child(2) { border-color:var(--primary-green);}
.about-content-block .culture .item:nth-child(2) h4 { color: var(--primary-green); }
.about-content-block .culture .item:nth-child(3) { border-color:var(--light-green);}
.about-content-block .culture .item:nth-child(3) h4 { color: var(--light-green); }
.about-content-block .culture .item:nth-child(4) { border-color:var(--accent-orange);}
.about-content-block .culture .item:nth-child(4) h4 { color: var(--accent-orange); }

.about-content-block h3 {
    color: var(--primary-green);
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-content-block h3 i {
    color: var(--accent-orange);
}

.about-content-block p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 14px;
}


/* 时间轴 */
.timeline {
    position: relative;
    padding-left: 20px;
    margin-top: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 5px;
    height: 100%;
    width: 2px;
    background: var(--bg-light);
}

.timeline-item {
    position: relative;
    padding-bottom: 25px;
    padding-left: 25px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-green);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--bg-light);
}

.timeline-year {
    color: var(--accent-orange);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 5px;
}

.timeline-content {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

/* 资质证书 */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.cert-item {
    background: var(--white);
    border: 2px solid var(--bg-light);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.cert-item:hover {
    border-color: var(--primary-green);
    transform: translateY(-5px);
}

.cert-item i {
    font-size: 40px;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.cert-item h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.cert-item p {
    font-size: 12px;
    color: var(--text-gray);
    margin: 0;
}
.about-content-block .certificate { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 20px;}
.about-content-block .certificate .item { padding: 10px 2px; }
.about-content-block .certificate .item .img { display:flex; justify-content:center; align-items:center; /* height:275px; */}
.about-content-block .certificate .item .text { text-align:center; padding-top:0.5em; }


/* ==========================================
   联系我们
   ========================================== */
.contact-grid {
    display: grid;
    /*-- grid-template-columns: 1fr 1fr; --*/
    gap: 25px;
}

.contact-info-box {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
}

.contact-info-box h3 {
    color: var(--primary-green);
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info-box h3 i {
    color: var(--accent-orange);
}
.contact-info-box p {
    margin-bottom:0.8em;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.contact-info-box p i {
    color: var(--primary-green);
}

.info-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.info-list i {
    color: var(--primary-green);
    margin-top: 3px;
}

/* 联系表单 */
/* .contact-form {
    background: var(--white);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
}

.form-group label span {
    color: #f44336;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46,125,50,0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-submit {
    background: var(--primary-green);
    color: var(--white);
    padding: 14px 40px;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.btn-submit:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46,125,50,0.3);
} */

/* 地图 */
.map-container {
    background: #e0e0e0;
    border-radius: 10px;
    overflow:hidden; 
    color: #999;
    font-size: 16px;
}

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1200px) {
    .product-list-grid {
        grid-template-columns: repeat(3, 1fr);        
    }
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .left-sidebar {
        width: 100%;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-content-block .features { grid-template-columns: repeat(2, 1fr); }
    .about-content-block .certificate { grid-template-columns: repeat(3, 1fr);}
    .nav-menu {
        display: none;
        flex: 0 0 100%;
    }
    .nav-menu > a { display:block; margin:1em 0; }
    .nav-menu > a.btn-contact { display:inline-block; }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-slider {
        height: 450px;
    }
    
    .features-grid,
    .products-grid,
    .product-list-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .top-bar .container {
        flex-direction: column;
        text-align: center;
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-grid .footer-widget-nav {
        padding-left:0; 
    }
}
@media (max-width: 480px) {
    .about-content-block .features { grid-template-columns: repeat(1, 1fr); }
    .about-content-block .culture { grid-template-columns: repeat(1, 1fr); }
    .about-content-block .certificate { grid-template-columns: repeat(2, 1fr);}
    .clients-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .cert-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}